CN216507350U - Clamping device for replacing screen printing plate - Google Patents

Abstract

The utility model provides a clamping device for replacing a screen printing plate, which comprises: the first positioning clamp plate and the second positioning clamp plate are oppositely arranged in a matched mode, and grooves are formed in the upper portion and the lower portion of the front side opening of each of the first positioning clamp plate and the second positioning clamp plate; the back baffle is fixedly connected to the first positioning clamping plate and the second positioning clamping plate and blocks back openings of the first positioning clamping plate and the second positioning clamping plate; and the elastic steel bar assemblies are respectively arranged on the first positioning clamping plate and the second positioning clamping plate, and the elastic steel bar assemblies are correspondingly arranged with the grooves. According to the technical scheme, the steel bar is lifted slightly to detach the screen printing plate, the screen printing plate can be assembled and disassembled conveniently, the elastic steel bar component is matched with the corresponding groove to extrude and position the screen printing plate, so that the two sides of the screen printing plate are tightened, the screen printing plate is not easy to loosen, the positioning precision is high, the printing effect is guaranteed, and the maintenance cost is low.

Description

Clamping device for replacing screen printing plate

Technical Field

The utility model relates to the technical field of electronic component manufacturing devices, in particular to a clamping device for replacing a screen printing plate.

Background

In the related art, as shown in fig. 1 and 2, a screen is placed on a positioning support 102, two ends of the screen 108 and two ends of the positioning support 102 are provided with three screw holes 104 having the same aperture, and two ends of the screen 108 require three positioning screws 106 to fix the screen 108, and each time the screen 108 is assembled and disassembled, all the positioning screws 106 need to be assembled and disassembled. The following technical drawbacks exist:

(1) during installation, hole alignment is difficult, loading and unloading are slow, and efficiency is low.

(2) The problem of screw slipping easily occurs after the set screw is used for a long time, so that the problems of improper fixation, insecure fixation and the like are caused.

(3) The replacement and use cost of the fittings is high.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

Therefore, an object of the present invention is to provide a clamping device for replacing a screen, wherein an elastic steel bar assembly is designed, so that when the screen is assembled and disassembled, the steel bar can be lifted and disassembled only slightly, and the elastic steel bar assembly is matched with the corresponding groove to realize the squeezing and positioning of the screen, and the clamping device has the advantages of strong fixing firmness to the screen, convenient assembling and disassembling, high positioning accuracy and low maintenance cost.

In order to achieve the above object, the present invention provides a clamping device for changing a screen, comprising: the positioning device comprises a first positioning clamp plate and a second positioning clamp plate which are oppositely arranged in a matched mode, wherein grooves are formed in the upper portion and the lower portion of the front side opening of each of the first positioning clamp plate and the second positioning clamp plate; the back baffle is fixedly connected to the first positioning clamping plate and the second positioning clamping plate and blocks back openings of the first positioning clamping plate and the second positioning clamping plate; and the elastic steel bar components are respectively arranged on the first positioning clamping plate and the second positioning clamping plate, and the elastic steel bar components are arranged corresponding to the grooves.

Preferably, the side face of the outer end of the first positioning clamp plate or the second positioning clamp plate is provided with an opening which is communicated with the inside, and the opening of the side face of the outer end is provided with a groove up and down.

Preferably, the spring steel bar assembly comprises: the two spring fixing pieces are respectively arranged on the top surface and the bottom surface of the first positioning clamping plate or the second positioning clamping plate, and the installation positions of the spring fixing pieces are obliquely staggered with the corresponding groove positions; the top of the steel bar is connected with the spring fixing piece on the top surface through a spring, the bottom of the steel bar is connected with the spring fixing piece on the bottom surface through a spring, and when the steel bar is pulled into the corresponding groove, the upper spring and the lower spring which are connected are in a tensioned state.

Preferably, the groove is in a semicircular arc shape and matched with the outer diameter of the steel bar.

Preferably, four elastic steel bar assemblies are arranged, wherein the front sides of the first positioning clamping plate and the second positioning clamping plate are respectively provided with one, and the outer end sides of the first positioning clamping plate or the second positioning clamping plate, which are provided with openings, are provided with two at intervals.

The clamping device for replacing the screen printing plate provided by the utility model has the following beneficial technical effects:

(1) by adopting the clamping device for replacing the screen printing plate, the screen printing plate can be assembled and disassembled by slightly lifting the steel bar, and the assembling and disassembling are convenient.

(2) By adopting the clamping device for replacing the screen printing plate, the elastic steel bar component is matched with the corresponding groove, so that the screen printing plate is extruded and positioned, two sides of the screen printing plate are tightened, the screen printing plate is not easy to loosen, the positioning precision is high, and the printing effect is guaranteed.

(3) The elastic steel bar component has the advantages of long service life, easy replacement and lower cost, and can avoid the problems of screw sliding, inaccurate positioning, screw replacement, re-threading of the positioning clamp plate, replacement of the positioning clamp plate and the like in the prior art, thereby greatly reducing the maintenance cost.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view showing a structure of a device for changing a stencil in the related art;

FIG. 2 is a schematic diagram showing a front view of a prior art stencil changer;

fig. 3 is a schematic structural view of a clamping device for changing a screen according to an embodiment of the utility model;

fig. 4 is a front view schematically illustrating a position-locking device for changing a screen according to an embodiment of the present invention;

fig. 5 is a schematic view showing a structure of a clamping device for replacing a screen after the clamping device is installed in the screen according to an embodiment of the utility model;

fig. 6 shows a schematic front view of a clamping device for changing screens according to one embodiment of the utility model after it has been installed in a screen,

wherein, the corresponding relationship between the reference numbers and the components in fig. 1 to fig. 6 is:

102 positioning support, 104 screw holes, 106 positioning screws and 108 screen printing plates;

202 first alignment clamp, 204 second alignment clamp, 206 groove, 208 back stop, 210 spring rod assembly, 2102 spring mount, 2104 spring, 2106 rod, 212 screen.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A screen clamping device for changing a screen according to an embodiment of the present invention will be described in detail with reference to fig. 3 to 6.

As shown in fig. 3 to 6, a clamping device for changing a screen printing plate according to an embodiment of the present invention includes: the first positioning clamp plate 202 and the second positioning clamp plate 204 are matched and oppositely arranged, and grooves 206 are respectively formed in the upper part and the lower part of the front side opening of the first positioning clamp plate 202 and the second positioning clamp plate 204. The back sides of the first positioning clamping plate 202 and the second positioning clamping plate 204 are fixedly connected with a back baffle plate 208, and the back openings of the first positioning clamping plate 202 and the second positioning clamping plate 204 are blocked by the back baffle plate 208. A plurality of elastic steel bar assemblies 210 are respectively arranged on the first positioning clamping plate 202 and the second positioning clamping plate 204, and the elastic steel bar assemblies 210 are arranged corresponding to the grooves 206. After the screen 212 is pushed in from the gap between the first positioning clamp 202 and the second positioning clamp 204, the resilient steel bar assembly 210 is pushed into the corresponding designed groove 206 to press and position the screen 212, and when the screen 212 is disassembled, the resilient steel bar assembly 210 is only slightly lifted and taken down to smoothly take out the screen 212.

Further, as shown in fig. 3 to 6, the outer end side of the first positioning clamp plate 202 or the second positioning clamp plate 204 is provided with an opening which is communicated with the inside, and the upper and lower sides of the outer end side opening are provided with the grooves 206, that is, the whole device is opened in two directions, so that the screen 212 can be pushed in conveniently, and the elastic steel bar assembly 210 is correspondingly installed while the grooves 206 are provided, so that the screen 212 can be squeezed and positioned conveniently, and the mounting and dismounting convenience and stability of the screen 212 are further improved.

Further, as shown in fig. 3 to 6, the resilient steel bar assembly 210 includes: two spring mounts 2102, a spring 2104, a steel bar 2106, etc., mounted on the top and bottom surfaces of the first clamping plate 202 or the second clamping plate 204, respectively. The top and bottom of the steel rod 2106 are connected to spring mounts 2102 at the top and bottom by springs 2104, respectively. The spring mounts 2102 are positioned at an offset angle from the corresponding recesses 206 so that the rod 2106 is pulled into the recesses 206 to compress the screen 212, and the upper and lower springs 2104, which are connected, are under tension as the rod 2106 is pulled into the corresponding recesses 206.

Further, as shown in fig. 3 to 6, the groove 206 is in a semicircular arc shape and matches with the outer diameter of the steel rod 2106, so that the steel rod 2106 can be conveniently pulled in and lifted out, and the pressing and positioning of the screen 212 are more accurate and more reliable.

Further, as shown in fig. 3 to 6, the front sides of the first positioning clamp plate 202 and the second positioning clamp plate 204 are respectively provided with one elastic steel rod assembly 210, and the outer end sides of the first positioning clamp plate 202 or the second positioning clamp plate 204 provided with the opening are provided with two elastic steel rod assemblies 210 at intervals, so that the screen 212 can be more uniformly squeezed and positioned, two sides of the screen 212 are tightened, the screen 212 is not easy to loosen, the positioning accuracy is high, and the printing effect is ensured.

The use process of the clamping device for replacing the screen printing plate provided by the utility model is as follows:

pushing the screen 212 into the gap between the first positioning clamp 202 and the second positioning clamp 204, pushing the screen 212 to the bottom according to the arrow direction in the figure, shifting the steel bar 2106 into the corresponding groove 206, and realizing the extrusion positioning of the screen 212 by tightening the elastic steel bar assembly 210; when the screen 212 is detached, the steel bar 2106 is slightly lifted off, and the screen 212 can be taken out. The screen 212 is convenient to assemble and disassemble, high in positioning accuracy and low in maintenance cost.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a change screens and use screens formula device which characterized in that includes:

the positioning device comprises a first positioning clamp plate and a second positioning clamp plate which are oppositely arranged in a matched mode, wherein grooves are formed in the upper portion and the lower portion of the front side opening of each of the first positioning clamp plate and the second positioning clamp plate;

the back baffle is fixedly connected to the first positioning clamping plate and the second positioning clamping plate and blocks back openings of the first positioning clamping plate and the second positioning clamping plate;

and the elastic steel bar components are respectively arranged on the first positioning clamping plate and the second positioning clamping plate, and the elastic steel bar components are arranged corresponding to the grooves.

2. The clamping device for changing screen printing plate of claim 1,

the opening is seted up to first location splint or the outer end side of second location splint and is link up with inside, and all sets up the recess from top to bottom in outer end side opening.

3. The clamping device for changing the screen printing plate as claimed in claim 1 or 2, wherein the elastic steel bar assembly comprises:

the two spring fixing pieces are respectively arranged on the top surface and the bottom surface of the first positioning clamping plate or the second positioning clamping plate, and the installation positions of the spring fixing pieces are obliquely staggered with the corresponding groove positions;

the top of the steel bar is connected with the spring fixing piece on the top surface through a spring, the bottom of the steel bar is connected with the spring fixing piece on the bottom surface through a spring, and when the steel bar is pulled into the corresponding groove, the upper spring and the lower spring which are connected are in a tensioned state.

4. The position-lock device for screen replacement according to claim 3,

the groove is in a semicircular arc shape and is matched with the outer diameter of the steel bar.

5. The screen clamping device for replacing the screen printing plate according to claim 2,

set up four elasticity rod iron subassemblies, wherein, first location splint with the front side of second location splint respectively sets up one, is equipped with the open-ended first location splint perhaps the outer end side interval of second location splint sets up two.

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